27206534137 has 8 divisors (see below), whose sum is σ = 28815595776. Its totient is φ = 25598436672.

The previous prime is 27206534081. The next prime is 27206534141. The reversal of 27206534137 is 73143560272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27206534137 - 2¹⁵ = 27206501369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27206534137.

It is not an unprimeable number, because it can be changed into a prime (27206534167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182533 + ... + 296194.

It is an arithmetic number, because the mean of its divisors is an integer number (3601949472).

Almost surely, 2^27206534137 is an apocalyptic number.

It is an amenable number.

27206534137 is a deficient number, since it is larger than the sum of its proper divisors (1609061639).

27206534137 is a wasteful number, since it uses less digits than its factorization.

27206534137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482087.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 27206534137 in words is "twenty-seven billion, two hundred six million, five hundred thirty-four thousand, one hundred thirty-seven".